2007 Acura RL vs. 2003 Opel Signum
To start off, 2007 Acura RL is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Opel Signum. In addition, the cost of maintenance, including insurance, on 2003 Opel Signum would be higher. At 3,471 cc (6 cylinders), 2007 Acura RL is equipped with a bigger engine. In terms of performance, 2007 Acura RL (290 HP @ 6200 RPM) has 115 more horse power than 2003 Opel Signum. (175 HP @ 4000 RPM). In normal driving conditions, 2007 Acura RL should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 95 kg more than 2007 Acura RL.
Because 2007 Acura RL is four wheel drive (4WD), it will have significant more traction and grip than 2003 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2007 Acura RL will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2003 Opel Signum (371 Nm @ 1900 RPM) has 24 more torque (in Nm) than 2007 Acura RL. (347 Nm @ 5000 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2007 Acura RL.
Compare all specifications:
| 2007 Acura RL | 2003 Opel Signum | |
| Make | Acura | Opel |
| Model | RL | Signum |
| Year Released | 2007 | 2003 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3471 cc | 2958 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 290 HP | 175 HP |
| Engine RPM | 6200 RPM | 4000 RPM |
| Torque | 347 Nm | 371 Nm |
| Torque RPM | 5000 RPM | 1900 RPM |
| Engine Bore Size | 89 mm | 87.5 mm |
| Engine Stroke Size | 93 mm | 82 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1575 kg | 1670 kg |
| Vehicle Length | 4920 mm | 4640 mm |
| Vehicle Width | 1850 mm | 1800 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2810 mm | 2700 mm |
| Fuel Consumption Overall | 11.2 L/100km | 7.4 L/100km |
| Fuel Tank Capacity | 73 L | 60 L |
